Home / 117,081,683.64-161,570,584.76-64,870,528.68

Finding the Fourth Proportional to 117,081,683.64, 161,570,584.76 and 64,870,528.68

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Solution

The fourth proportional to 117,081,683.64, 161,570,584.76 and 64,870,528.68 is: 89,520,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,081,683.64 : 161,570,584.76 = 64,870,528.68 : x
  2. Step 2: Convert to fraction form
    117,081,683.64/161,570,584.76 = 64,870,528.68/x
  3. Step 3: Cross multiply
    117,081,683.64x = 161,570,584.76 × 64,870,528.68
  4. Step 4: Simplify right side
    117,081,683.64x = 10,481,169,252,517,950
  5. Step 5: Solve for x
    x = 10,481,169,252,517,950/117,081,683.64
  6. Step 6: Final answer
    x = 89,520,144.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.